A particle is projected from point `A` to hit an apple as shown in (Fig.). The particle is directly aimed at the apple. Show that particle will not hit the apple. Now show that if the string with which the apple is hung is cut at the time of firing the particle, then the particle will hit the apple.
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Explanation

The apple will not fall in the path of the trajectory of the particle. Hence, the particle will not hit the apple. But when the string is cut, the vertical fall of apple and the particle will be equal. Hence the particle willl hit apple.